149501701 has 2 divisors, whose sum is σ = 149501702. Its totient is φ = 149501700.

The previous prime is 149501663. The next prime is 149501707. The reversal of 149501701 is 107105941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149450625 + 51076 = 12225^2 + 226^2 .

It is an emirp because it is prime and its reverse (107105941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149501701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149501701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149501707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74750850 + 74750851.

It is an arithmetic number, because the mean of its divisors is an integer number (74750851).

Almost surely, 2^149501701 is an apocalyptic number.

It is an amenable number.

149501701 is a deficient number, since it is larger than the sum of its proper divisors (1).

149501701 is an equidigital number, since it uses as much as digits as its factorization.

149501701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 149501701 is about 12227.0888195024. The cubic root of 149501701 is about 530.7402744327.

The spelling of 149501701 in words is "one hundred forty-nine million, five hundred one thousand, seven hundred one".